899634 has 8 divisors (see below), whose sum is σ = 1799280. Its totient is φ = 299876.

The previous prime is 899617. The next prime is 899659. The reversal of 899634 is 436998.

It is a sphenic number, since it is the product of 3 distinct primes.

899634 is an admirable number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 899592 and 899601.

It is an unprimeable number.

899634 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74964 + ... + 74975.

It is an arithmetic number, because the mean of its divisors is an integer number (224910).

2⁸⁹⁹⁶³⁴ is an apocalyptic number.

899634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

899634 is a wasteful number, since it uses less digits than its factorization.

899634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149944.

The product of its digits is 46656, while the sum is 39.

The square root of 899634 is about 948.4903794979. The cubic root of 899634 is about 96.5358489411.

The spelling of 899634 in words is "eight hundred ninety-nine thousand, six hundred thirty-four".